|Country|2000|2001|2002|2003|2004|2005|2006|2007|2008|2009|2010|2011|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Australia|160|230|290|230|200|200|200|?|?|?|?|?|
|Brazil|30,000|22,000|26,000|29,000|29,900|35,000|40,000|57,300|58,000|58,000|58,000|58,000|
|Canada|2,290|3,200|3,410|3,280|3,400|3,310|4,167|3,020|4,380|4,330|4,420|4,400|
|Congo D.R.|?|50|50|13|52|25|?|?|?|?|?|?|
|Mozambique|?|?|5|34|130|34|29|?|?|?|?|?|
|Nigeria|35|30|30|190|170|40|35|?|?|?|?|?|
|Rwanda|28|120|76|22|63|63|80|?|?|?|?|?|
|World|32,600|25,600|29,900|32,800|34,000|38,700|44,500|60,400|62,900|62,900|62,900|63,000|

Question: what is the total amount of niobium produced in rwanda in 2000?
Answer: 28